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參數(shù)資料
| 型號(hào)： | MSM7540L |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 元件分類： | Codec |
| 英文描述： | Single Rail ADPCM CODEC |
| 中文描述： | 單軌差分PcM編解碼器 |
| 文件頁(yè)數(shù)： | 4/15頁(yè) |
| 文件大?。?/td> | 131K |
| 代理商： | MSM7540L |
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4/15
MSM7540L/7560L
Semiconductor
PIN AND FUNCTIONAL DESCRIPTIONS
AIN1, AIN2, GSX1, GSX2
Transmits analog input and the output for transmit gain adjustment.
AIN1 (AIN2) connects to the inverting input of the internal transmit amplifier. GSX1 (GSX2)
connects to the output of the internal transmit amplifier output. Refer to Fig. 1 for gain
adjustment.
VFRO, AOUT+, AOUT–, PWI
Receives analog output and the output for receive gain adjustment.
VFRO is receive filter output. AOUT+ and AOUT– are differential analog signal outputs which
can directly drive Z
L
= 350
W
+ 120 nF. Refer to Fig. 1 for gain adjustment.
Figure1 Analog Input/Output Interface
AIN1
GSX1
Analog Input
R2
C1
to ENCODER
R1
from DECODER
Analog Output
Z
L
=120 nF
+ 350
W
*: Side Tone Pass (Gain = R6/RS)
AIN2
GSX2
R4
C2
R3
AOUT–
PWI
R6
RS*
VFRO
R5
–1
AOUT+
–
+
–
+
–
+
Transmit Gain:
= (R2/R1)
￥
(R4/R3)
Receive Gain:
= (R6/R5)
V
0
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PDF描述 |
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| MSM7540 | Single Rail ADPCM CODEC |
| MSM7541 | Single Rail CODEC |
| MSM7542 | Single Rail CODEC |
| MSM7543 | Single Rail CODEC |
| MSM7544 | Single Rail CODEC |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MSM7540LG3-K | 制造商:ROHM Semiconductor 功能描述: |
| MSM7540LGS-K | 制造商:ROHM Semiconductor 功能描述: |
| MSM7540LGS-K(MA) | 制造商:ROHM Semiconductor 功能描述: |
| MSM7541 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Single Rail CODEC |
| MSM7542 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Single Rail CODEC |
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